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%% Sage for High School
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%% Copyright (C) 2010 Minh Van Nguyen <nguyenminh2@gmail.com>
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\chapter{Trigonometic Functions}

\begin{enumerate}
\item The sine and cosine functions

\item Degrees and radians

\item Graphing the sine and cosine functions

\item Sinusoidal functions

\item More trigonometric functions

\item Inverse trigonometric functions

\item Trigonometric simplification:
  \begin{enumerate}
  \item trigonometric identities

  \item sum and difference formulas for sine and cosine
  \end{enumerate}
\end{enumerate}
